Vector and SIMD Processors

More documents

Recommendations

Info

SIMD Processor Introduction 128 bits VLD.32 Q1, 0x0 Q1 M[3] M[2] M[1] M[0] VLD.32 Q2, 0x8 Q2 M[11] M[10] M[9] M[8] VADD.U32 Q3, Q2, Q1 Q3 M[3]+M[11] M[2]+M[10] M[1]+M[9] M[0]+M[8] VST.32 Q3, 0x10 0x10 0x11 M[0]+M[8] M[1]+M[9] non-SIMD 8 load instructions 4 add instructions 4 store instructions SIMD 2 load instructions 1 add instruction 1 store instruction 0x12 M[2]+M[10] 16 total instructions 4 total instructions 0x13 M[3]+M[11] Possible Speedup = 4
ARM NEON SIMD Architecture • 16 128-bit SIMD registers • Separate sequential and SIMD processors • Both have access to same L2 cache but separate L1 caches • Instructions fetched in ARM processor and sent to NEON coprocessor ARM Processor NEON Coprocessor ARM Cortex-A8 Processor and NEON SIMD coprocessor
Page 1 and 2: Vector and SIMD Processors Eric Wel
Page 3 and 4: History of Vector Processors • Ea
Page 5 and 6: Advantages of Vector Processors •
Page 7 and 8: Vector Processor Architectures (con
Page 9 and 10: Performance Optimizations • Incre
Page 11 and 12: Organization of Cray Supercomputer
Page 13 and 14: Modern SIMD Introduction • Single
Page 15: Modern SIMD Processors • Most mod
Page 19 and 20: Software Programming • Intel and
Page 21 and 22: Performance Impact of SIMD • NEON
Page 23 and 24: Conclusions • Vector processors p

Vector and SIMD Processors

Create successful ePaper yourself

Delete template?

Save as template?